Our Eggers Dynamometers are substantial maintenance free. Depending of your operating conditions, we give you the advise for one calibration per year. It's easy to do it by yourself, just look at the user manual. In addition to this, we're naturally by your side to help you and to do the calibration just as the check up of the whole dynameter. We're going to check up the complete engineering mechanics also as the safety relevant parts.We integrate the check-up-tour with other clients, so that you've got little costs and further a flawlessly dynamometer.We will be glad to make you a favorable offer.